US3464428A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for cleaning and drying table silver and control mechanism therefor
Assignee: Individual
•
Filing: 1965-06-14
•
Granted: 1969-09-02
•
Expires: 1985-06-14
Abstract
No abstract record available.
Inventors
- 👤 Robert W Kraeft
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:03
CPC Classifications
A; A47; A47L; A47L21/00; A47L21/02; A47L15/00; A47L15/42; A47L15/48
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1252302A
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US1710357A
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US3103225A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-01 | 1973-03-03 | 1973-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-01 | 1977-03-03 | 1977-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-01 | 1981-03-03 | 1981-09-02 | $7700.00 | Window Closed / Lapsed |